CN205826019U - A kind of underground heat well online wide range dynamic water table temperature measuring equipment - Google Patents
A kind of underground heat well online wide range dynamic water table temperature measuring equipment Download PDFInfo
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- CN205826019U CN205826019U CN201620653048.7U CN201620653048U CN205826019U CN 205826019 U CN205826019 U CN 205826019U CN 201620653048 U CN201620653048 U CN 201620653048U CN 205826019 U CN205826019 U CN 205826019U
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Abstract
The utility model discloses a kind of underground heat well online wide range dynamic water table temperature measuring equipment, including crank connecting link piston air pump, the 1st the 4th two-bit triplet electromagnetic valve, the 1st the 2nd one two three-way electromagnetic valve, air accumulator, the 1st the 2nd pressure difference sensing transmitter, the controller with display screen, high temperature resistant inducing QI signal control line cable, temperature sensor, temperature transmitter and check valve, high temperature resistant inducing QI signal control line cable and temperature sensor are placed in the test tube of geothermal well；Temperature sensor, holding wire, temperature transmitter and the controller of high temperature resistant inducing QI signal control line cable are sequentially connected；1st the 4th two-bit triplet electromagnetic valve and the 1st the 2nd one the automatically controlled end of two three-way electromagnetic valves and the signal end of the 1st the 2nd pressure difference sensing transmitter are connected with the interface end of controller respectively with the control end that starts of crank connecting link piston air pump.Use pressurization and amalgamation mode of bleeding to measure, this device precision is the highest, corrosion-and high-temp-resistant, durable in use, anti-vibration, anti-interference, can run by long time stability.
Description
Technical field
This utility model relates to GEOTHERMAL WATER well measurements field, particularly relates to a kind of underground heat well online wide range Dynamic Water
Position-temperature measuring equipment.
Background technology
Underground heat well deep dynamic liquid level-thermometric meaning online is to protect the normal work of submersible pump, it is to avoid
Submersible pump damages because sky takes out, it is often more important that the liquid level of long term monitoring underground heat well and temperature data, for underground heat hydro-thermal
Balance of recharging after utilizing provides reliable dynamic monitoring data, to prevent surface subsidence, protects water conservancy project geological environment.
The tank gage surveying now well typically uses artificial or servomotor span, it is impossible to reach the mesh of on-line measurement
's；Use the level gauging of the principle according to silicon pressure sensor because of the bending of its distance atmosphere conduit to measure 100-
200 meters of distance, 100 meters of wide dynamic liquid level changes can not realize, even if realizing, transducer wire is wanted because of the diameter of airway
Asking, transducer wire diameter is very big, and high because of the temperature of GEOTHERMAL WATER again, online long-term measurement uses the principle according to silicon pressure sensor
Level gauging, use environment (high temperature) technology to require sensing transducer, encapsulating material (titanium alloy) and encapsulation technology (high temperature
Waterproof) require the harshest, the most whole pressure transmitter must be in the test tube (a diameter of 1 inch) of the geothermal well of standard
Putting into and place, the diameter of the most whole pressure sensing transmitter is less than 15mm.Furtherly, due to pressure sensing transmitter
Long-term placement in the high-temperature geothermal water that salinity is high, the quickly fouling of the shell of pressure sensing transmitter also blocks measurement mouth, makes
Obtain pressure sensing transmitter operational failure.
Using fiber grating pressure and temperature measuring method, because of the restriction of the water-disintegrable of its fibre cladding He heatproof, (85 take the photograph
Family name's degree), simultaneously as the Cost Problems of wavelengt demodulator, the water level-temperature that therefore can not be applicable to online geothermal well is surveyed
Amount.
Use capacity water level measuring system (cable of two parallel radiant crosslinked polyethylene encapsulation) although resistance to underground heat
Aqueous corrosion and high temperature resistant, but due to the interference of suction pump operating mode and the depth sounding of 200 meters of distance, measurement data extremely unstable, deeply
Dynamic geothermal well level measuring cannot be carried out at all.
The accurate range of bubbler gage is the longest 40 meters, and its measured value is very big because Media density and temperature affect, therefore uncomfortable
The deep dynamic water table answering underground heat well is measured.
Summary of the invention
The technical problems to be solved in the utility model is the shortcoming overcoming above-mentioned various technology paths to measure, it is provided that Yi Zhongnai
High temperature, corrosion-resistant, anti-vibration and interference, high and energy long time stability operation the online wide range of underground heat well of certainty of measurement move
State water level-temperature measuring equipment.
To this end, the technical solution of the utility model is as follows:
A kind of underground heat well online wide range dynamic water table-temperature measuring equipment, including crank connecting link piston air pump, 1-
4th two-bit triplet electromagnetic valve, the 2nd one two three-way electromagnetic valves of 1-, air accumulator, 1-the 2nd pressure difference sensing transmitter, with display
Controller, high temperature resistant inducing QI signal control line cable, temperature sensor, temperature transmitter and 1-the 4th check valve of screen,
Described high temperature resistant inducing QI signal control line cable and temperature sensor are placed on the survey of geothermal wellAmountGuan Zhong；
Described temperature sensor, high temperature resistant inducing QI signal control line cable holding wire, temperature transmitter and controller successively
It is connected；
Described 1-the 4th two-bit triplet electromagnetic valve and the automatically controlled end of the 2nd one two three-way electromagnetic valves of 1-and described 1-
The starting of the signal end of the 2nd pressure difference sensing transmitter and crank connecting link piston air pump control end respectively with the interface of described controller
End is connected；Controller is controlled by the 1st, the 2nd one two three-way electromagnetic valves tank connected with gas storage.
The most all it is tightly connected with airway: air outlet B1 of described crank connecting link piston air pump and the 1st two-bit triplet
C2 port in electromagnetic valve is connected, the A2 port in two-bit triplet electromagnetic valve and the A3 port phase in the 2nd two-bit triplet electromagnetic valve
Even, the C4 port in the air inlet port A1 of crank connecting link piston air pump and the 3rd two-bit triplet electromagnetic valve is connected, two-bit triplet electromagnetism
The B4 port of valve and the B3 port of the 4th two-bit triplet electromagnetic valve are connected；The B2 port of described 1st two-bit triplet electromagnetic valve, the 3rd liang
The A4 port of position-3-way solenoid valve respectively with the 1st, the 4th check valve be connected, its direction is for receiving air direction, the 2nd two-bit triplet
The C3 port of electromagnetic valve (3) and a port A5 of the 1st one two three-way electromagnetic valves are connected, another of the 1st one two three-way electromagnetic valves
Individual port B5 is connected with a port A6 of air accumulator, another port B6 of air accumulator and the one of the 2nd one two three-way electromagnetic valves
Individual port A7 is connected, another port B7 of the 2nd one two three-way electromagnetic valves and a port A8 phase of the 4th two-bit triplet electromagnetic valve
Even, another port C8 of the 4th two-bit triplet electromagnetic valve is connected with the middle airway of high temperature resistant inducing QI signal control line cable；Institute
Another port C6 of the port A9 and air accumulator that state the 1st pressure difference sensing transmitter is connected, the 1st pressure difference sensing transmitter
Another port B9 leads directly to airspace by the 3rd check valve；One port A10 and two of described 2nd pressure difference sensing transmitter
Another port B8 of position-3-way solenoid valve is connected, and another port B10 of the 2nd pressure difference sensing transmitter passes through the 4th check valve
Straight-through airspace.
Preferably, the range of described 1st pressure difference sensing transmitter is 0-1.4MPa, 0-5V output；Described 2nd pressure reduction passes
The range of sense transmitter 10 is 0-500KPa, 0-5V output.
The center of described high temperature resistant inducing QI signal control line cable is airway, and the periphery of airway is provided with four signal line.
Described high temperature resistant inducing QI signal control line cable underwater penetration in geothermal well test tube is at least 80 meters.
The beneficial effects of the utility model are as follows:
This utility model device from overcome pressure, electric capacity, conductance, thermal resistance, bubble, etc. various modes to measure geothermal well a large amount of
The purpose of technological deficiency that Cheng Shuiwei exists sets out, and utility model has the online wide range of underground heat well of real Practical significance
Dynamic water table-temperature measuring equipment, the zero point automatically calibrating of this device, it is completely eliminated zero drift error, passes through temperature
Sensor, can be acted upon by temperature changes by effective compensation liquid specific gravity, therefore this device precision height, corrosion-and high-temp-resistant, antivibration
Dynamic, anti-interference, can long time stability run, non-maintaining, its in-site installation is convenient, and flexible operation has filled up geothermal well dynamic
The blank of the water level monitoring instrument in monitoring device.Because its manufacturing process is simple, therefore low cost of manufacture, cost performance height, can be wide
General Implementation and application, meets general census and the demand of geothermal well dynamic monitoring of territory terrestrial heat resources.
Accompanying drawing explanation
Fig. 1 is pneumoelectric module and the pneumatic diagram of this utility model measurement apparatus；
Fig. 2 is electronic module and the circuit diagram of this utility model measurement apparatus；
Fig. 3 is the pressure value curve measured that pressurizes in this utility model；
Fig. 4 is the injection pressure pneumatic diagram measured of pressurizeing in this utility model；
Fig. 5 show in this utility model the pressure measurement process measured of pressurizeing；
Fig. 6 show in this utility model the pumping process measured of bleeding；
Fig. 7 show the pressure measurement process of pumping process in this utility model；
Fig. 8 is the pressure value curve measured of bleeding in this utility model.
Detailed description of the invention
Group to underground heat well of the present utility model online wide range dynamic water table-temperature measuring equipment below in conjunction with the accompanying drawings
Become and work process is described in detail.
As depicted in figs. 1 and 2, underground heat well of the present utility model online wide range dynamic water table-temperature measuring equipment bag
Include: crank connecting link piston air pump 1,1-the 4th two-bit triplet electromagnetic valve 2,3,4,8, the 2nd one two three-way electromagnetic valves 5,7 of 1-, storage
Gas tank 6,1-the 2nd pressure difference sensing transmitter 9,10, with controller 11, the high temperature resistant inducing QI signal control line cable of display screen
12, temperature sensor 13, temperature transmitter 14 and 1-the 4th check valve 15a-15d.High temperature resistant inducing QI signal control line cable 12 He
Temperature sensor 13 is placed in the test tube of geothermal well.
The range of the 1st pressure difference sensing transmitter 9 is 0-1.4MPa, 0-5V output；The range of the 2nd pressure difference sensing transmitter 10
Export for 0-500KPa, 0-5V.
The center of described high temperature resistant inducing QI signal control line cable 12 is airway, and the periphery of airway is provided with four bars
Line.The high temperature resistant inducing QI signal control line cable 12 underwater penetration in geothermal well test tube is at least 80 meters.
Seeing Fig. 1, in test device of the present utility model, the annexation of air path part is as follows:
It is tightly connected with airway below: in air outlet B1 of crank connecting link piston air pump 1 and two-bit triplet electromagnetic valve 2
C2 port be connected, A2 port in two-bit triplet electromagnetic valve 2 is connected with the A3 port in two-bit triplet electromagnetic valve 3, crank company
The air inlet port A1 of bar piston air pump 1 is connected with the C4 port in two-bit triplet electromagnetic valve 4, the B4 end of two-bit triplet electromagnetic valve 4
Mouth is connected with the B3 port of two-bit triplet electromagnetic valve 3；
It is tightly connected with airway below: the B2 port of two-bit triplet electromagnetic valve 2, the A4 port of two-bit triplet electromagnetic valve 4
Respectively with the 1st, the 2nd check valve 15a, 15b be connected, its direction for receiving air direction, the C3 port of two-bit triplet electromagnetic valve 3 with
One port A5 of one two three-way electromagnetic valve 5 is connected, another port B5 of two three-way electromagnetic valves 5 and one of air accumulator 6
Port A6 is connected, and a port A7 of another port B6 of air accumulator 6 and two three-way electromagnetic valves 7 is connected, one two energising
Another port B7 of magnet valve 7 is connected with a port A8 of two-bit triplet electromagnetic valve 8, another of two-bit triplet electromagnetic valve 8
Port C8 seals with the middle airway of high temperature resistant inducing QI signal control line cable 12 and is connected.
It is tightly connected with airway below: a port A9 of pressure difference sensing transmitter 9 and another port of air accumulator 6
C6 is connected, and another port B9 of pressure difference sensing transmitter 9 leads directly to airspace by the 3rd check valve 15c.
It is tightly connected with airway below: a port A10 of pressure difference sensing transmitter 10 and two-bit triplet electromagnetic valve 8
Another port B8 is connected, and another port B10 of pressure difference sensing transmitter 10 leads directly to airspace by the 4th check valve 15d.
Seeing Fig. 2, in test device of the present utility model, the annexation of circuit part is as follows:
Wherein, temperature sensor 13, the holding wire of high temperature resistant inducing QI signal control line cable 12, temperature transmitter 14, with
The controller 11 of display screen is sequentially connected；
Wherein, the startup of crank connecting link piston air pump 1 controls end W1, two-bit triplet electromagnetic valve 2 automatically controlled end W2, two-bit triplet
Electromagnetic valve 3 automatically controlled end W3, two-bit triplet electromagnetic valve 4 automatically controlled end W4, two three-way electromagnetic valves 5 automatically controlled end W5, two energising magnetic
Valve 7 automatically controlled end W7, two-bit triplet electromagnetic valve 8 automatically controlled end W8, the signal end X9 of differential pressure pickup transmitter 9, differential pressure pickup become
The signal end X10 of device 10 interface end respectively with the controller 11 with display screen is sent to be connected.
The work process of above-mentioned measurement apparatus is as follows:
Putting in geothermal well test tube by high temperature resistant inducing QI signal control line cable 12, high temperature resistant inducing QI signal control line cable 12 enters
Water depth is at least 80 meters.
Seeing Fig. 4, under the control of controller 11, the C2 of two-bit triplet electromagnetic valve 2 leads with the A2 of two-bit triplet electromagnetic valve 2
Logical, the A3 of two-bit triplet electromagnetic valve 3 turns on the C3 of two-bit triplet electromagnetic valve 3, the A4 of two-bit triplet electromagnetic valve 4 and two-bit triplet
The C4 conducting of electromagnetic valve 4, the A5 of two three-way electromagnetic valves 5 and the B5 conducting of two three-way electromagnetic valves 5, two three-way electromagnetic valves 7
A7, B7 disconnect, cranking lever connecting rod piston air pump 1, compressed air stream passes sequentially through B1, C2, A2, A3, C3, A5, B5, A6,
Air accumulator 6 forms plenum chamber.Seeing Fig. 5, controller 11 measures the pressure of air accumulator 6 in real time by differential pressure pickup transmitter 9
Power numerical value (deducts an atmospheric pressure difference), when its value is 1.3MPa, under the control of controller 9, and locking crank connecting rod
1, two three-way electromagnetic valve 5 of piston air pump are closed, two three-way electromagnetic valves 7 turn on, A8 with C8 of two-bit triplet electromagnetic valve 8 leads
Logical, compressed air is injected in underground heat well water in the airway by high temperature resistant inducing QI signal control line cable 12.According to fluid force
Learning principle, when airway emerges bubble to hot water, the pressure of air storage chamber 6 is more than hot water pressure, and only hands over when air water
When the face of changing is positioned at the inducing QI mouth of pipe, now the pressure in air storage chamber 6 is just exactly equal to the hydrostatic pressure of the inducing QI mouth of pipe, by surveying continuously
The change (pressure the most slowly reduces) of pressure in amount gas storage plenum chamber 6, controller 11 is constantly sampled high-pressure gas room
In force value, can measure and enter inside trachea the pressure in during this period of time to aqueous vapor handing-over after stopping air pump work.
Seeing Fig. 3, taking its meansigma methods according to its change curve is P9, according toγ is the density of GEOTHERMAL WATER, P9For
Deducting the pressure difference of atmospheric pressure, the most above-mentioned formula is that measure with pressuring method is that to probe into inducing QI cable in geothermal well actual
Underwater penetration value H1, unit is mH2O (meter water column).
See Fig. 6, when the force value generation rapid decrease that controller 11 is measured in real time by differential pressure pickup transmitter 9
Time, under controller 11 instructs, port C2 Yu B2 of two-bit triplet electromagnetic valve 2 conducting, the port C3 of two-bit triplet electromagnetic valve 3 and
B3 turns on, port C4 Yu the B4 conducting of two-bit triplet electromagnetic valve 4, A5 Yu the B5 conducting of two three-way electromagnetic valves 5, one two energising
A7 Yu the B7 conducting of magnet valve 7, port C8 Yu the A8 conducting of two-bit triplet electromagnetic valve 8, open cranking lever connecting rod piston air pump 1,
Carry out operation duty of bleeding.
Seeing Fig. 7, the pressure value that controller 11 measures air accumulator 6 in real time by differential pressure pickup transmitter 9 (deducts one
Individual atmospheric pressure difference), when its value is 100KPa, under the control of differential pressure pickup transmitter 9, locking crank connecting rod piston
Air pump 1, one two three-way electromagnetic valve 7 of shutoff, and, port C8 and the port B8 conducting of two-bit triplet electromagnetic valve 8, differential pressure pickup
Transmitter 10 proceeds by measurement.
See Fig. 8, take its average value P according to its value change curve10, according to fluid mechanics principle, can calculate:
Wherein: γ is the density of GEOTHERMAL WATER；
P10For deducting the difference of atmospheric pressure；
L is airway length.
Above-mentioned formula is: probe into inducing QI cable actual underwater penetration value in geothermal well by what (pilot) mode of bleeding recorded
H2, unit is mH2O (meter water column).
Pressuring method and the result that pilot mode measures of bleeding are calculated as follows and draw and probe into inducing QI cable in geothermal well
Meansigma methods H of actual underwater penetration value0, unit is mH2O (meter water column).
Further, following formula is passed through:
Hshuiwei=L0-H0
Wherein:
L0The length of the cable for transferring from underground heat well head；
HshuiweiFor from underground heat well head to the water level value of the underground heat water surface.
Draw this accurate water level value H measuredshuiwei.Simultaneously permissible by temperature sensor 13 and temperature transmitter 14
Measure the temperature value of underground heat well water.
Claims (5)
1. underground heat well online wide range dynamic water table-temperature measuring equipment, it is characterised in that: include crank connecting link piston
Air pump (1), 1-the 4th two-bit triplet electromagnetic valve (2,3,4,8), the 2nd one two three-way electromagnetic valve (5,7) of 1-, air accumulator (6),
1-the 2nd pressure difference sensing transmitter (9,10), the controller (11) with display screen, high temperature resistant inducing QI signal control line cable
(12), temperature sensor (13), temperature transmitter (14) and 1-the 4th check valve (15a-15d),
Described high temperature resistant inducing QI signal control line cable (12) and temperature sensor (13) are placed in the measurement pipe of geothermal well；
Described temperature sensor (13), the holding wire of high temperature resistant inducing QI signal control line cable (12), temperature transmitter (14) and control
Device processed (11) is sequentially connected；
Described 1-the 4th two-bit triplet electromagnetic valve (2,3,4,8) and the automatically controlled end of the 2nd one two three-way electromagnetic valve (5,7) of 1-
(W2, W3, W4, W8, W5, W7) and the signal end (X9, X10) of described 1-the 2nd pressure difference sensing transmitter (9,10) and crank
The startup of connecting rod piston air pump (1) controls the end (W1) interface end respectively with described controller (11) and is connected；Controller (11) leads to
Cross the 1st, the 2nd one two three-way electromagnetic valves (5,7) being connected with air accumulator (6) to be controlled；
The most all it is tightly connected with airway: air outlet B1 of described crank connecting link piston air pump (1) and the 1st two-bit triplet electricity
C2 port in magnet valve (2) is connected, the A2 port in two-bit triplet electromagnetic valve (2) and the A3 in the 2nd two-bit triplet electromagnetic valve (3)
Port is connected, and the C4 port in the air inlet port A1 of crank connecting link piston air pump (1) and the 3rd two-bit triplet electromagnetic valve (4) is connected,
The B4 port of two-bit triplet electromagnetic valve (4) and the B3 port of the 4th two-bit triplet electromagnetic valve (3) are connected；Described 1st two-bit triplet electricity
The B2 port of magnet valve (2), the A4 port of the 3rd two-bit triplet electromagnetic valve (4) are connected with the 1st, the 2nd check valve (15a, 15b) respectively,
Its direction is for receiving air direction, the C3 port of the 2nd two-bit triplet electromagnetic valve (3) and one of the 1st one two three-way electromagnetic valve (5)
Port A5 is connected, and another port B5 of the 1st one two three-way electromagnetic valve (5) is connected with a port A6 of air accumulator (6), gas storage
Another port B6 of tank (6) and port A7 of the 2nd one two three-way electromagnetic valve (7) is connected, the 2nd one two three-way electromagnetic valves
(7) another port B7 and a port A8 of the 4th two-bit triplet electromagnetic valve (8) are connected, the 4th two-bit triplet electromagnetic valve (8)
Another port C8 be connected with the middle airway of high temperature resistant inducing QI signal control line cable (12)；Described 1st pressure difference sensing becomes
A port A9 of device (9) is sent to be connected with another port C6 of air accumulator (6), another of the 1st pressure difference sensing transmitter (9)
Port B9 is by the straight-through airspace of the 3rd check valve (15c)；One port A10 of described 2nd pressure difference sensing transmitter (10) with
Another port B8 of two-bit triplet electromagnetic valve (8) is connected, and another port B10 of the 2nd pressure difference sensing transmitter (10) passes through
4th check valve (15d) leads directly to airspace.
Underground heat well the most according to claim 1 online wide range dynamic water table-temperature measuring equipment, it is characterised in that:
The range of described 1st pressure difference sensing transmitter (9) is 0-1.4MPa, 0-5V output.
Underground heat well the most according to claim 1 online wide range dynamic water table-temperature measuring equipment, it is characterised in that:
The range of described 2nd pressure difference sensing transmitter 10 is 0-500KPa, 0-5V output.
Underground heat well the most according to claim 1 online wide range dynamic water table-temperature measuring equipment, it is characterised in that:
The center of described high temperature resistant inducing QI signal control line cable (12) is airway, and the periphery of airway is provided with four signal line.
Underground heat well the most according to claim 1 online wide range dynamic water table-temperature measuring equipment, it is characterised in that:
Described high temperature resistant inducing QI signal control line cable (12) underwater penetration in geothermal well test tube is at least 80 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620653048.7U CN205826019U (en) | 2016-06-23 | 2016-06-23 | A kind of underground heat well online wide range dynamic water table temperature measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620653048.7U CN205826019U (en) | 2016-06-23 | 2016-06-23 | A kind of underground heat well online wide range dynamic water table temperature measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826019U true CN205826019U (en) | 2016-12-21 |
Family
ID=58146032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620653048.7U Withdrawn - After Issue CN205826019U (en) | 2016-06-23 | 2016-06-23 | A kind of underground heat well online wide range dynamic water table temperature measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890673A (en) * | 2016-06-23 | 2016-08-24 | 南开大学 | Online wide-range dynamic water level-temperature measuring system of geothermal well |
-
2016
- 2016-06-23 CN CN201620653048.7U patent/CN205826019U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890673A (en) * | 2016-06-23 | 2016-08-24 | 南开大学 | Online wide-range dynamic water level-temperature measuring system of geothermal well |
| CN105890673B (en) * | 2016-06-23 | 2018-05-01 | 南开大学 | A kind of online wide range dynamic water table-temperature measurement system of underground heat well |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20180501 |